>Increased
sec. 21 limitation by $8 billion during period beginning July 1, 1960,
and ending June 30, 1961

293.000.000.000

June 30,
1961

>

>

>75
Stat. 148

>Increased
sec. 21 limitation by $13 billion during period beginning July 1, 1961,
and ending June 30, 1962

298.000.000.000

March 13,
1962

>

>

>76
Stat. 23

>Increased
sec. 21 limitation by $2 billion (in addition to temporary increase of
$13 billion in act of June 30, 1961)during period beginning March 13, 1962,
and ending June 30, 1962

300.000.000.000

July 1,
1962

>

>

>76
Stat. 124

>Increased
sec. 21 limitation during the periods:

>

>

>(1)
beginning July 1, 1962, and ending March 31, 1963, to

308.000.000.000

>

>(2)
beginning April 1, 1963, and ending June 24, 1963, to

305.000.000.000

>

>(3)
beginning June 25, 1963, and ending June 30, 1963, to

300.000.000.000

May 29,
1963

>

>

>77
Stat. 90

>Increased
sec. 21 limitation during the periods:

>

>

>(1)
beginning May 29, 1963, and ending June 30, 1963, to

307.000.000.000

>

>(2)
beginning July 1, 1963, and ending August 31, 1963, to

309.000.000.000

August 27,
1963

>

>

>77
Stat. 131

>Increased
sec. 21 limitation during the period beginning September 1, 1963, and ending
November 30, 1963, to

309.000.000.000

November
26, 1963

>

>

>77
Stat. 342

>Increased
sec. 21 limitation during the periods:

>

>

>(1)
beginning December 1, 1963, and ending June 29, 1964, to

315.000.000.000

>

>(2)
ending June 30, 1964, to

309.000.000.000

June 29,
1964

>

>

>78
Stat. 225

>Increased
sec. 21 limitation during the period beginning June 29, 1964, and ending
June 30, 1965, to

324.000.000.000

June 24,
1965

>

>

>79
Stat. 172

>Increased
sec. 21 limitation during the period beginning July 1, 1965, and ending
June 30, 1966, to

328.000.000.000

June 24,
1966

>

>

>80
Stat. 221

>Increased
sec. 21 limitation during the period beginning July 1, 1966, and ending
June 30, 1967, to

330.000.000.000

March 2,
1967

>

>

>81
Stat. 4

>Increased
sec. 21 limitation during the period beginning March 2, 1967, and ending
June 30, 1967, to

336.000.000.000

June 30,
1967

>

>

>81
Stat. 99

>Sec.
21 amended to increase limitation on aggregate outstanding at any time
to

358.000.000.000

>

>Sec.
21 amended also to increase the limitation temporarily, beginning July
1, 1968, and each July 1 thereafter for theperiod beginning July 1 and
ending June 29 of each succeeding calendar year by $7 billion, providing
an operating limitation of

>Amended
sec. 21, to further increase the limitation temporarily by $20 billion
during period beginning March 15, 1972, andending June 30, 1972

450.000.000.000

July 1,
1972

>

>

>86
Stat. 406

>Amended
act of March 15, 1972, striking out June 30, 1972, and inserting in lieu
thereof October 31, 1972

450.000.000.000

October
27, 1972

>

>

>86
Stat. 1324

>Increased
sec. 21 limitation during the period beginning November 1, 1972, and ending
June 30, 1973

465.000.000.000

July 1,
1973

>

>

>86
Stat. 1324

>Amended
act of October 27, 1972, striking out June 30, 1973, and inserting in lieu
thereof November 30, 1973

465.000.000.000

December
3, 1973

>

>

>87
Stat. 691

>Increased
sec. 21 limitation during the period beginning December 3, 1973, and ending
June 30, 1974

475.700.000.000

June 30,
1974

>

>

>88
Stat. 285

>Increased
sec. 21 limitation during the period beginning June 30, 1974, and ending
March 31, 1975

495.000.000.000

February
19, 1975

>

>

>89
Stat. 5

>Increased
sec. 21 limitation during the period beginning February 19, 1975, and ending
June 30, 1975

577.000.000.000

June 30,
1975

>

>

>89
Stat. 246

>Increased
sec. 21 limitation during the period beginning June 30, 1975, and ending
November 15, 1975

577.000.000.000

November
14, 1975

>

>

>89
Stat. 693

>Increased
sec. 21 limitation during the period beginning November 14, 1975, and ending
March 15, 1976

595.000.000.000

March 15,
1976

>

>

>90
Stat. 217

>Increased
sec. 21 limitation during the period beginning March 15, 1976, and ending
June 30, 1976

627.000.000.000

June 30,
1976

>

>

>90
Stat. 793

>Increased
sec. 21 limitation during the periods:

>

>

>(1)
beginning July 1, 1976, and ending September 30, 1976, to

636.000.000.000

>

>(2)
beginning October 1, 1976, and ending March 31, 1977, to

682.000.000.000

>

>(3)
beginning April 1, 1977, and ending September 30, 1977, to

700.000.000.000

>

>Temporary
increase terminated October 1, 1977, and limitation reverted to

400.000.000.000

October
4, 1977

>

>

>91
Stat. 1090

>Increased
sec. 21 limitation by $352 billion during the period beginning October
4, 1977, and ending March 31, 1978

752.000.000.000

March 27,
1978

>

>

>92
Stat. 185

>Amended
act of October 4, 1977, striking out March 31, 1978, and inserting in lieu
thereof July 31, 1978

752.000.000.000

>

>Temporary
increase terminated August 1, 1978, and limitation reverted to

400.000.000.000

August 3,
1978

>

>

>92
Stat. 419

>Increased
sec. 21 limitation by $398 billion during the period beginning August 3,
1978, and ending March 31, 1979

798.000.000.000

>

>Temporary
increase terminated April 1, 1979, and limitation reverted to

400.000.000.000

April 2,
1979

>

>

>93
Stat. 8

>Increased
sec. 21 limitation by $430 billion during the period beginning April 2,
1979, and ending September 30, 1979

830.000.000.000

September
29, 1979

>

>

>93
Stat. 589

>Increased
sec. 21 limitation by $479 billion during the period beginning September
29, 1979, and ending May 31, 1980

879.000.000.000

May 30,
1980

>

>

>94
Stat. 421

>Amended
act of September 29, 1979, striking out May 31, 1980, and inserting in
lieu thereof June 5, 1980

879.000.000.000

June 6,
1980

>

>

>94
Stat. 439

>Amended
act of September 29, 1979, striking out June 5, 1980, and inserting in
lieu thereof June 30, 1980

879.000.000.000

June 28,
1980

>

>

>94
Stat. 598

>Increased
sec. 21 limitation by $525 billion during the period beginning June 28,
1980, and ending February 28, 1981

925.000.000.000

December
19, 1980

>

>

>94
Stat. 3261

>Increased
the total debt limit (composed of $400.0 billion of permanent ceiling,
$535.1 billion of temporary ceiling) to

935.100.000.000

February
7, 1981

>

>

>95
Stat. 4

>Increased
the temporary portion of the debt limit to $585.0 billion through September
30, 1980, raising the total debtceiling to

985.000.000.000

September
30, 1981

>

>

>95
Stat. 955

>Increased
the temporary portion of the debt limit to $599.8 billion for one day-September
30, 1981

999.800.000.000

September
30, 1981

>

>

>95
Stat. 956

>Increased
the temporary portion of the debt limit to $679.8 billion through September
30, 1982

1.079.800.000.000

June 28,
1982

>

>

>96
Stat. 130

>Increased
the temporary portion of the debt limit to $743.1 billion through September
30, 1982

1.143.100.000.000

September
30, 1982

>

>

>96
Stat. 1156

>Increased
the temporary portion of the debt limit to $890.2 billion through September
30, 1983

1.290.200.000.000

May 26,
1983

>

>

>97
Stat. 196

>Eliminated
the distinction between permanent and temporary limit with the enactment
of a single permanent limit.Raised the debt limit to

1.389.000.000.000

November
21, 1983

>

>

>97
Stat. 1012

>Increased
the debt limit to

1.490.000.000.000

May 25,
1984

>

>

>98
Stat. 217

>Increased
the debt limit to

1.520.000.000.000

July 6,
1984

>

>

>98
Stat. 313

>Increased
the debt limit to

1.573.000.000.000

October
13, 1984

>

>

>98
Stat. 2206

>Increased
the debt limit to

1.823.800.000.000

November
14, 1985

>

>

>99
Stat. 814

>Increased
the debt limit temporarily through December 6, 1985 to

1.903.800.000.000

December
12, 1985

>

>

>99
Stat. 1037

>Increased
the debt limit to

2.078.700.000.000

August 21,
1986

>

>

>100
Stat. 818

>Increased
the debt limit to

2.111.000.000.000

October
21, 1986

>

>

>100
Stat. 1874

>Increased
the debt limit temporarily through May 15, 1987 to

2.300.000.000.000

May 15,
1987

>

>

>101
Stat. 308

>Increased
the debt limit temporarily through July 17, 1987 to

2.320.000.000.000

July 30,
1987

>

>

>101
Stat. 542

>Increased
the debt limit temporarily through August 6, 1987 to

2.320.000.000.000

August 10,
1987

>

>

>101
Stat. 550

>Increased
the debt limit temporarily through September 23, 1987 to

2.352.000.000.000

September
29, 1987

>

>

>101
Stat. 754

>Increased
the debt limit to

2.800.000.000.000

August 7,
1989

>

>

>103
Stat. 182

>Increased
the debt limit temporarily through October 31, 1989 to

2.870.000.000.000

November
8, 1989

>

>

>103
Stat. 830

>Increased
the debt limit to

3.122.700.000.000

August 9,
1990

>

>

>104
Stat. 403

>Increased
the debt limit temporarily through October 2, 1990 to

3.195.000.000.000

October
2, 1990

>

>

>104
Stat. 878

>Increased
the debt limit temporarily through October 6, 1990 to

3.195.000.000.000

October
9, 1990

>

>

>104
Stat. 894

>Increased
the debt limit temporarily through October 19, 1990 to

3.195.000.000.000

October
19, 1990

>

>

>104
Stat. 1030

>Increased
the debt limit temporarily through October 24, 1990 to

3.195.000.000.000

October
25, 1990

>

>

>104
Stat. 1075

>Increased
the debt limit temporarily through October 27, 1990 to

3.195.000.000.000

October
28, 1990

>

>

>104
Stat. 1086

>Increased
the debt limit temporarily through November 5, 1990 to

3.230.000.000.000

November
5, 1990

>

>

>104
Stat. 1388-560

>Increased
the debt limit to

4.145.000.000.000

April 6,
1993

>

>

>107
Stat. 42

>Increased
the debt limit temporarily through September 30, 1993 to

4.370.000.000.000

August 10,
1993

>

>

>107
Stat. 312

>Increased
the debt limit to

4.900.000.000.000

February
8, 1996

>

>

>110
Stat. 55

>Temporarily
exempted from limit obligations in an amount equal to the monthly insurance
benefits payable under Title II ofthe Social Security Act in March 1996,
the exemption to expire on the earlier of an increase in the limit or March
15, 1996.

March 12,
1996

>

>

>110
Stat. 825

>Temporarily
exempted from limit (a) obligations in an amount equal to the monthly insurance
benefits payable under Title II ofthe Social Security Act in March 1996
and (b) certain obligations issued to trust funds and other Federal Government
accounts,both exemptions to expire on the earlier of an increase in the
limit or March 30, 1996.